Butterfly Milkweed (Asclepias tuberosa)
Overview of Butterfly Milkweed and close-up of flowers. Photographs by Wynn Anderson.
- Common English Names: Butterfly Milkweed, Butterflyweed, Chigger Flower, Orange Milkweed
- Common Spanish Names:
- Scientific Name: Asclepias tuberosa (az-KLEP-ee-us too-ber-OH-suh)
- Family: Asclepiadaceae (Milkweed Family)
- Geographic Range: Across eastern North America into Rocky Mountains to northern Mexico.
- Plant Form: Herbaceous perennial, 2' x 2'.
- Remarks: Clumping mass of short, leafy stems rise from a deep, fleshy taproot to produce umbels of bright orange flowers in late spring and summer. Long lived and cold hardy
to 0° or less, but dies to ground in winter; light or part shade to full sun, variety of soils. Excellent larval host and nectar plant for butterflies.
Last Update: 9 Nov 2002